2553860--B| 22 July 2014 Introduction | 1
Outdoor Mount Temperature Sensor Installation Instructions
This document covers the operation and installation instructions for the following Nortec Digital Humidity Controllers:
Part #: Description:
1510142 0-10V Digital Wall Humidistat
2520259 On/Off Digital Wall Humidistat
2520266 0-10V Digital Duct Humidistat pkg.
2520273 On/Off Digital Duct Humidistat pkg.
2548731 Nortec Digital Wall ON/OFF Humidistat pkg.
2548732 Nortec Digital Duct ON/OFF Humidistat pkg.
Installation
Outside air probes must be installed on a flat vertical surface protected from direct sunlight and rain.
The cable gland must face downwards.
To install the sensor, remove cover
Place seal and washer below the long mounting screw. Securely fix it to wall.
Thread wires through cable gland or conduit connector
Connect the wires, normally 18ga unshielded twisted pair, according to the wiring diagram to the measuring circuit in the cover:
Tighten cable gland
Assemble the cover with the base plate. Make sure the seal in the seal grove of the cover is not damaged and in place.
Tighten the four screws of the cover with moderate torque to complete the installation.
Technical Specification
Sensing Probe
Thermistor:
Accuracy: -40…0°C (-40…32°F):
0…50°C (32…122°F):
50…100°C (122…212°F):
NTC
0.5 C
0.2 C
0.5 C
Connection
Terminal Connectors
For wire AWG 24…12
Environment
Operation
Temperature
Humidity
To IEC 721-3-3
-40…100°C (-40…212°F)
<95% R.H. non-condensing
Standards
conform according to
EMC Standard 89/336/EEC
EMEI Standard 73/23/EEC
EN 61 000-6-1/ EN 61 000-6-3
Product standards
Automatic electrical controls for household
and similar use
Special requirement on temperature
dependent controls
EN 60 730 –1
EN 60 730 – 2 - 9
Degree of Protection
IP65 to EN 60 529
Safety Class
III (IEC 60536)
Housing
Material
Fire proof PC + ABS plastic
Dimensions Cover: (H x W x D)
33 x 60 x 50 mm (1.3 x 2.4 x 2 in)
Weight (including package)
80 g (2.8 oz)
50 (2)
60 (2.4)
33 (1.3)
Figure 1: Dimensions
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